Combination-tool.



No. 677,964. Patented luly 9, |901.

F. H. Euss'nom.

COMBINATION TOUL.

(Application man sept..2a, 1900.)-

(No Model.)

.--IH Vi A:

UNITED STATES :PATIENFl CFFICE.

FRANK II. ENGSTROM,A CF CAMBRIDGE SPRINGS, PENNSYLVANIA.

COMBINATION-TOOL.

' SPECIFICATION forming part 0f Letters Patent N 0. 677,964, dated July9, 190i.

Application filed September 28, IQO. Serial No. 551,443. (No model.)

combination of the parts hereinafter fully de= scribed and claimed.

In the drawings, Figure l is a plan view of the combination-tool. Fig. 2is a side view of the same when closed. Fig. 3 is a crosssection takenon the line Qc in Fig. 1.

A is a scraper for cleaning the bushing of a valve both inside andoutside. This scraper has notches h in its sides and beveled edges c atthe bottoms of the said notches.

C is a Spanner which is pivoted at one end to the scraper A by a pin orrivet d. This Spanner is used for unscrewing the bushing This spannerconsists of two of the valve.

arms having lateral projections e at theirfree ends. These projections eengage with the notches b when the instruments are closed together,andthe beveled edges c at the bottoms of the notches permit theprojections to be sprung out of engagement with the notches when theinstruments lare moved forcibly apart on their pivot-pin. When theinstru# ments are closed together, they interlock and lhold each otherin the closed position.

What I lclaim is;v

The combination, with a scraper having at one end lateral notches andbeveled edges at the bottoms of the said notches, of a Spanner pivotedto the other end portion of the scraper and comprising two spring armsprovided with projections which engage with the said notches when sprungover the said beveled edges so as to straddle them, substantially as 1.

set forth.

In testimony whereof I affix my signature in presence of two witnesses.

FRANK H. EN'GSTROM. Witnesses:

W. D. RIDER, Jr., B. C. DUNDON.

